#pip3.10 freeze > allpackages.txt
#pip3.10 uninstall -r allpackages.txt -y

#pip3.11 freeze > allpackages.txt
#pip3.11 uninstall -r allpackages.txt -y

pip freeze > allpackages.txt
pip uninstall -r allpackages.txt -y
#pip install python-office -i https://pypi.tuna.tsinghua.edu.cn/simple
#
#pip3.9 freeze > allpackages.txt
#pip3.9 uninstall -r allpackages.txt -y
#pip3.10 install --upgrade pospider
#pip config set global.index-url https://mirrors.aliyun.com/pypi/simple/
#pip config set install.trusted-host mirrors.aliyun.com